clc,clear,close;
fid=fopen('questionE.txt','r');
[C1,count]=fscanf(fid,'%f',[2801,2]);
fclose(fid);
x=0:.01:28;
subplot(1,2,1),plot(x,C1(:,1));
title('Sp1');
subplot(1,2,2),plot(x,C1(:,2));
title('Sp2');